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Upgrade or refresh your Bontrager wheels. - Sold in packs of three for easy upgrades to 108 tooth engagement - Use 3 pawls/springs for 54 tooth engagement - Use 6 pawls/springs for 108 tooth engagement - Springs sold separately

Keep your seatpost right where you left it. Upgrade to a quick release seatpost clamp for easy seat height adjustments. - Follow laser-etched torque listing on collar

Upgrade or refresh your Bontrager wheels.

Key features: - Blendr works with this simple formula: Stem + Base + Mount. Add accessory. - Bases for use with Bontrager Pro Blendr stem - Add any XXX accessory mount (sold seperately) for an elegant, integrated look